.centre{
    position: relative;
}
.choose{
    height: 420px;
    padding: 20px 0;
    color: #ffffff;
    background:rgba(0,0,0,0.6);
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;

}

.choose ul li{
    font-size: 14px;
    height:42px;
    width: 234px;
    line-height: 42px;
}

.choose ul li a{
    padding-left: 30px;
    color: #ffffff;
    display: block;
}
.choose ul li a:hover{
    background-color: #ff6116;
    color: #ffffff;
    text-decoration: none;
}
.commodity-img{
    width: 1226px;
    height: 460px;
    display: inline-block;
    margin-bottom: 15px;
}
.choose-spn{
    color: #ffffff;
    position: absolute;
    right: 0;
    display: inline-block;
    padding-right: 20px;
}
.advertising-img{
    width: 1226px;
    height: 120px;
    margin: 0 auto;

}